opencv/modules/ocl/test/test_pyramids.cpp

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// @Authors
//    Yao Wang yao@multicorewareinc.com
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#include "test_precomp.hpp"
#include <iomanip>

#ifdef HAVE_OPENCL

using namespace cv;
using namespace testing;
using namespace std;

PARAM_TEST_CASE(PyrBase, MatDepth, Channels)
{
    int depth;
    int channels;

    Mat dst_cpu;
    ocl::oclMat gdst;

    virtual void SetUp()
    {
        depth = GET_PARAM(0);
        channels = GET_PARAM(1);
    }
};

/////////////////////// PyrDown //////////////////////////

typedef PyrBase PyrDown;

OCL_TEST_P(PyrDown, Mat)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(depth, channels), 0, 255);
        ocl::oclMat gsrc(src);

        pyrDown(src, dst_cpu);
        ocl::pyrDown(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), depth == CV_32F ? 1e-4f : 1.0f);
    }
}

INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrDown, Combine(
                            Values(CV_8U, CV_16U, CV_16S, CV_32F),
                            Values(1, 3, 4)));

/////////////////////// PyrUp //////////////////////////

typedef PyrBase PyrUp;

OCL_TEST_P(PyrUp, Accuracy)
{
    for (int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(depth, channels), 0, 255);
        ocl::oclMat gsrc(src);

        pyrUp(src, dst_cpu);
        ocl::pyrUp(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), (depth == CV_32F ? 1e-4f : 1.0));
    }
}


INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrUp, Combine(
                            Values(CV_8U, CV_16U, CV_16S, CV_32F),
                            Values(1, 3, 4)));
#endif // HAVE_OPENCL